.tool-bar{
    display: flex;
    justify-content: center;
    .select-color{
        width: 50px;
        height: 50px;
        margin: 10px;
        cursor: pointer;
        border-radius: 50px;
    }
    .select-red{
        background-color: red;
    }
    .select-blue{
        background-color: blue;
    }
    .select-yellow{
        background-color: yellow;
    }
    .res-button{
        align-self:center;
        height: 30px;
        width: 60px;
        margin: 10px;
        border-radius: 20px;
        border: none;
        cursor: pointer;
        background-color: green;
    }
}